Fort Walton Beach Ordinance — 1750 sale real property 109 Ready — reading text

RLGW- 10 5, 31 110 69. 6 128 69. 6 124 5, 80 330 RLGW- 11 if'1 f" : 49. 1 NM I 4. 24 10 RLSW-O 1 I 71. 3 NM 6. 63 180 RLSW-02 69.4 NM r 6, 54 340 RLSW-03 1.>-' I 170 66. 6 NM RLSW-04 6, 07 67. 5 NM 6.47 180 RLSW-05 t,:, 65, 6 NM 8. 0 20 RLPW- 01 Notes: NTU = nephelometric turbidity units NM = not measured Reference 72 1 1 RAl.P2 17 fINAL (1/ 24/ 951  t, I I,', t.i I ,\. I Site Qualitv Assurance/ Qualitv Control ( QA/ QC) with the Protocol. FDEP- All sampling equipment approved ABB- ES Comprehensive was laboratory cleaned in accordance Quality Assurance Plan ( CompQAP). Limited field cleaning was necessary for soil The field decontamination procedure for stainless steel I: sampling equipment. sampling equipment included the following steps: 1) Alconox and potable water scrub; 2) potable water rinse; 3) isopropanol rinse; rinse; and I 4) organic- free/ deionized water i I,'., i1 I 5) air drying. were collected from the groundwater Prior sampling, equipment rinsate samples to combination of sediment and soil sampling equipment 1,' sampling assembly and from the 1','.:. I as required by the CompQAP. An additional quality control measure volatile organics. Also, a field duplicate was the sample transport of a trip blank for from each media for quality control. All samples were collected, was collected s~ andard CompQAP protocol. 1' packaged, preserved, and transported in accordance Additionally, a standard chain- of- custody sheet with for all of the samples was recorded in a bound field book. maintained and detailed sampling field notes were 1 t decontamination procedure, in accordance J The drilling equipment and' well materials is de~ cribed below: with USEPA Region IV standard operating procedures, 1) steam cleaning; 2) Alconox and potable water scrub; 3) potable water rinse; I] 4) 5) isopropanol rinse; organic- free/ deionized water rinse; and 6) air drying. 11 All of the drilling and well materials that were not used inunediately were aluminum foil. All investigation covered derived with plastic sheeting or wrapped in new onsite in accordance with FDEP and USEPA guidelines. wastes ( IDW) were disposed of 1:/ 11 I rl,'.','. I' RAL.P2 18 I fINAL ( 1/ 24/ 851 I:I I t,\ INVESTIGATION FINDINGS I Groundwater Occurrence and Flow. Groundwater in the surficial aquifer system the Ready Avenue Landfill site was found to occur between 1 and 10 feet bls. at The advanced during the 51 cons isted material encountered in the shallow well borings I fine grained sands. No limestone was encountered predominantly of very fine to I in the fourteen borings. Monitoring well top- of- casing elevations were not beneath the site could not be determined. surveyed so groundwater flow area indicated that 7i Information from the CAR prepared for the fire training 1..,,j groundwater in that part of the site flowed eastward. Groundwater Qualitv. Table 6A and 6B presents a summary of groundwater quality filtered) for total ( unfiltered) and dissolved ( 1: findings with respect to metals analyses, respectively. Most of the metals detected in the unfiltered samples detected at lower concentrations in the filtered samples. reported below were also with organics. to groundwater quality of respect IJ Table presents a summary Significant findings 7 with respect to groundwater quality are presented below. west of the site on Hurlburt Field Air Force Base, Sample RLGW- Ol installed for the surficial was chosen to reflect background groundwater. chemistry aquifer system. RLPW- Ol, contained three aquifer system potable water sample, The Floridan to background: barium ( 179 micrograms metals at significant levels compared liter [ mg/ i)) and sodium i]), potassium ( 4. 7 milligrams per per liter [~g/ the surficial aquifer than three times 109 mg/ i) that were greater 1/1 ba~ kground level. state HQwever, none of the levels exceeded